Priming attachment for internal-combustion engines



E. 0. STEINBAUER.

PRIMING ATTACHMENT FOR INTERNAL COMBUSTION ENGINES. APPLICATION FILED FEB. 6, 1918.

1340087. Patented M y 11,1920.

2 SHEETS-SHEET I.

E. 0. STEINBAUER.

PRIMING ATTACHMENT FOR INTERNAL COMBUSTION ENGINES.

APPLICATION FILED FEB. 6, I918.

Patented May 11,1920.

2 SHEETSSHEET 2.

E na/'7 0, \fimaaer amvaw fom U Hovneg UNITED STATES PATENT OFFICE.

EDWINO. STEINBAUER, or minus, MICHIGAN.

PRIMING ATTACHMENT FOR- INTEENAL-COMBUSTION ENGINES.

To all whom it may concern:

Be it known that I, EDWIN O. STEIN- BAUER, a citizen of the United States, residing at Niles, in the county of Berrien and State of Michigan, have invented certain new and useful Improvements in Priming Attachments for Internal-Combustion Engines, of which the following is a specification.

The present invention has reference to improvements in auxiliary charge forming devices for use in connection with internal combustion engines and it is the dominant object of the invention to provide a priming device which will permit the placing of a highly combustible or explosive charge in the combustion chambers of the cylinders of an engine to which the device is connected,

whereby the same can be quickly and effectually started irrespective of the temperature of the engine cylinders or of the atmosphere, thereby effecting a material saving in electricity used for ignition purposes. Another and equally important object of the invention is to provide the priming device or attachment with a novel form of mixer whereby the proper proportions of air will be mixed with the gaseous fuelto render the same highly combustible previous to its introduction into the engine cylinders.

ther independent objects are to provide features of construction of portions of the attachment which tend toward the attain ment of the aims irrespective of the relation in which they are used. Other objects will be in part obvious and in part pointed out hereinafter.

' The invention accordingly consists in the features of construction, combinations of elements and arrangement of parts which will be exemplified in the construction hereinafter set forth, and the scope of the application of which will be indicated in the claim. V 1 In the accompanying drawings, wherein I have shown one of various possible embodiments of my invention:

Figure 1 is a longitudinal section through the hood of a motor driven vehicle having my improved priming attachment connected to the engine or motor thereof,

Fig. 2 is a vertical section through the novel mixer,

Fig. 3 is a sectional view on the line 33 of Fig. 2 looking in the direction of the Specification of Letters Patent.

controlling the Patented May 11, 1920.

Application filed February 6, 1918. Serial No. 215,602.

arrow and showing the screen partly broken away,

Fig. 4 is a detail in perspective of the novel form of cut-ofi means employed for passage of the priming charge into the engine cylinders,

Fig. 5 is a vertical transverse section through the cut-off means, and

:Fig. 6 is a fragmental detail in perspective of the operating means for the priming attachment.

Similar reference characters refer to similar parts throughout the several views of the drawings.

I Having'more particular reference to the drawings E represents the engine of the motor driven vehicle to which the improved priming attachment is connected and H the hood of said vehicle. The engine E, is of course, provided with the usual intake manifold .27, which manifold extends from a suitable charge forming device such as a carbureter or the like to which the gaseous 'fuel is fed.

Supported at a point in proximity to the upper rear portion of the hood H and attached to the adjacent side of the cowl is an auxiliary fuel tank or reservoir 1, said reservoir having an'outlet opening formed in the lower portion thereof with which the intake neck of the mixer designated in its entirety by the numeral 2 is connected, said neck being indicated by the numeral 3. This reservoir has a fillin spout 1 of any ordinary well known construction, whereby occasion requires. In this connection, it is to be noted that the mixer comprises a substantially cup shaped container having the upper portion of the same internally screw threaded as at e and adapted to receive a coinplementally screw threaded portion formed upon the lower end of a cover or cap 5. In this cap there-is formed a passage 6, a portion of which is said reservoir can be readily filled when the screw threaded and provided with a valve seat 7 whereby a needle valve 8 may be turned into engagement with the same, said needle valve, of course, being provided with the usual type of handle 9 whereby rotation of the same will be facilitated. To insure fluid pipe connection between the valve and the passage 6 of said cap, a stuffing gland 10 of conventional construction may be and preferably is engaged about the outer portion of the valve stem and with the adjacent portion of the cap, which as will be noted,

is screw threaded. Further, a gasket 11 or other similar form of packing means is arranged between the marginal portions of the cup shaped container of the mixer and the cap or cover 5. Arranged in an opening formed in the cap and communicating with the channel 6 is a short conduit or neck 12, which as will be noted, has the lower end of the same extending downwardly into the mixer. An air intake conduit 13 is received in. a suitable channel or way formed in the cover 5 and as will be noted, communicates with the interior of the mixer, thereby providing the necessary means for permitting the proper proportions of air to be mixed with the gaseous charge delivered into the mixer by way of the neck 12. To filter this air, a screen or other foraminated element 1i is arranged about the neck 12 and has its marginal portion secured to the adjacent portions of the cap 5'.

Connected to the bottom of and communicating with the mixer 2 is a conduit 15, serving as means for conducting the gaseous charge to the engine, said conduit having the other end of the same engaged with a branch. conduit 16, the opposite ends of which are connected through the medium of .elbows 17 w th the ntake exhaust manifold iof the engine. A rotatable valve or cut-off means 18 is interposed in. the conduit 15 and has an arm 19 secured to therotatable valve element thereof, which arm has its outer end looped as at'20 to receive an eyelet 21 detachably secured to the adjacent end of an operating rod 22, the eyelet, of

course, being secured to the looped end 20 of the arm 19 by means of a locking nut or like fastening means. To secure the valve 18 to the engine an arm 18 is engaged at one end. with the casing thereof and has the remaining end connected to one of the bolts holding the manifold securing brackets.

The remaining end of the rod 22 is looped the tank or reservoir 1 into the mixer 2 whereupon it will be supplied with the proper proportions of air to render the same highly combustible. From here, the charge will be delivered into the conduit 15 and from thence conducted to the intake manifold 1: through the branches 16 and the elbow 17 engaged with the extremities thereof; it of course being understood that the valve means 18 has been previously moved to its open position by depressing the foot. pedal 25' and as a consequence, rocking the arm 19 connected to the rotatable valve element. In this way, it will be readily understood that a highly combustible charge will be delivered. into the intake manifold 11 and. from there, the same will be drawn into the combustion chambers of the engine cylinders. Hence, when the spark or other form of ignition means is applied, the highly combustible charge will be instantly ignited, thereby imparting the initiative working impulse or impulses to the pistons of the engine cylinders. As means for normally returning the valve 18 to its closed position and as a consequence, interrupting communication between the reservoir 1 and the: intake manifold i, a contractile coiled spring 26 has one end engaged with the arm 19 while the remaining end is engaged with the underside of the footboard Z) as at 27.

ltJIanifestly, theconstruction shown is capable of considerable modification and such modification as is within the scope of my claim, I consider within the spirit of my invention. 7

I claim i The combination with an internal combustion engine having an intake manifold, of an auxiliary fuel reservoir located elevated relative to the said engine, a primer having a cup shaped member provided with 100 a removable cap, branches extending from said cap, one of the branches being connected with the reservoir, a needle valve arranged in another branch for controlling said branch connected with the reservoir, 105

the remaining branch forming an air intake, a delivery pipe leading from the said cup shaped member and having branches tapped into the intakemanifold spaced from each other, and a foot operative means for 110 controlling the fluid in said delivery pipe. In testimony whereof I aflix my signature hereto.

EDWIN O. STEINBAUER. 

